51
TRX Series II - Installation - Startup - Maintenance Instructions
NOTES:
1. Condensate line must be pitched at least ¼” per foot to properly
drain. If this cannot be done, or a very long length of condensate
hose is used, increase the condensate line to a minimum of 1”
ID and place a tee in the line after the condensate neutralizer to
properly reduce vacuum lock in the drain line.
2. PVC or CPVC pipe should be the only material used for condensate
line. Steel, brass, copper, and other metals will be subject to
corrosion or deterioration.
3. A frozen condensate line could result in a blocked vent condition.
It is very important to protect the condensate line from freezing
temperatures or any type of blockage. In installations that may
encounter sustained freezing conditions, the use of heat tape
is recommended to avoid freezing of the condensate line. It is
also recommended to bush up the condensate line size to 1” and
terminate condensate discharge as close to the unit as possible.
Longer condensate runs are more prone to freezing. Damages
due to frozen or blocked condensate lines ARE NOT covered by
warranty.
4. Support of the condensate line may be necessary to avoid
blockage of the condensate flow.
5. To allow proper drainage on longer horizontal condensate runs,
tubing size may need to increase to 1” and a second line vent may
be required.
NOTE: To clean out condensate trap, see Maintenance section.
Figure 58 - Condensate Piping Suggestions
Part 6 - Installing the Condensate Drain
RECOMMENDED:
HORIZONTAL LINES MUST
BE INSTALLED WITH A PITCH
OF 1/4" PER FOOT
TO OUTSIDE
RECOMMENDED:
CONDENSATE NEUTRALIZER
RECOMMENDED:
PIPING SUPPORTS
554200 LITTLE GIANT
OR DRAIN
RECOMMENDED:
CONNECTION FOR VACUUM
BREAK AND OVERFLOW
EXAMPLE: LOOSE FITING
1" x 3/4" PVC PIPE
REDUCER - SWEAT
RECOMMENDED:
3/4" PVC PIPE SWEAT
CONNECTIONS
THROUGHOUT
PROVIDED FLEXIBLE
CONDENSATE HOSE
BOILER
BOILER
EXISTING DRAIN
RECOMMENDED
CONDENSATE NEUTRALIZER
RECOMMENDED
3/4" PVC PIPE
HORIZONTAL LINES
RECOMMENDED BE INSTALLED
WITH A PITCH OF 1/4" PER FOOT
PIPE REDUCER - SWEAT
LOOSE FITTING 1" X 3/4" PVC
PIPE HANGERS RECOMMENDED
BE USED TO SUPPORT
PIPING VERTICAL OR HORIZONTAL
CONNECTION FOR VACUUM
BREAK AND OVERFLOW EXAMPLE:
PROVIDED FLEXIBLE
CONDENSATE HOSE
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